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【单选题】
不属于盐基离子的是A.
K+
B.
Ca2+
C.
Mg2+
D.
Al3+
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反馈参考答案：
举一反三
【单选题】Table Manners A Westerner doesn't leave his napkin (paper or cloth) on the table. He puts it on his lap where it's supposed to protect his clothes from spilled food or used to wipe his hands or mouth ...
A.
In a plate.
B.
on the floor
C.
In an ash tray.
D.
On a table top.
【简答题】公路弯道加宽一般在 进行。
【单选题】-Does he have a table? -__________. [ ]
A.
Yes, he have
B.
No, he do
C.
Yes, he does
D.
No, he don't
【简答题】A．He doesn't like table tennis at all. B．He knows the result of the finals. C．He doesn't have a TV set. D．He will not watch.
【简答题】世界上第一所正式护士学校是在哪国创办的 ____
【单选题】2-2下图所示的笛子三维模型是使用以下哪种类型几何体创建？
A.
题目 （模块3）下图所示的笛子三维模型是使用以下哪种类型几何体创建？ 切角圆柱
B.
正多边形
C.
圆管
D.
切角长方体
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